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B12 is found mostly in animal foods, and absorption can decline with age or digestive problems

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It belongs to the copper peptide family and can interact with cells to trigger growth and survival responses

Cancer 9 , e002121 (2021)

In the 1980s, the Slavic researchers whom we have to thank for the bulk of our knowledge about short peptides were focused on the possibilities of a thymic peptide bioregulator called thymalin which they found could spur the thymus to re-grow, thus enhancing immune function

Deng L, Tu P, Ahmed N et al (2024) Biochar-based phosphate fertilizer improve phosphorus bioavailability, microbial functioning, and citrus seedling growth